<template>
    <div class="app-container">
      <h2 style="text-align: center;">发布新课程</h2>
      <el-steps :active="3" process-status="wait" align-center style="margin-bottom: 40px;">
        <el-step title="填写课程基本信息"/>
        <el-step title="创建课程大纲"/>
        <el-step title="发布课程"/>
      </el-steps>
      <div class="ccInfo">
        <img :src="coursePublish.cover">
        <div class="main">
          <h2>{{ coursePublish.title }}</h2>
          <p class="gray"><span>共{{ coursePublish.lessonNum }}课时</span></p>
          <p><span>所属分类：{{ coursePublish.subjectLevelOne }} — {{ coursePublish.subjectLevelTwo }}</span></p>
          <p>课程讲师：{{ coursePublish.teacherName }}</p>
          <h3 class="red">￥{{ coursePublish.price }}</h3>
        </div>
      </div>
      <div>
        <el-button @click="previous">返回修改</el-button>
        <el-button :disabled="saveBtnDisabled" type="primary" @click="publish">发布课程</el-button>
      </div>
    </div>
  </template>
    <script>
    import course from '@/api/edu/course'
    export default {
      data() {
        return {
          saveBtnDisabled: false, // 保存按钮是否禁用
          course:'',
          coursePublish:{}
        }
      },
      created() {
        if(this.$router.params && this.$router.params.id){
          this.courseId = this.$route.params.id
          this.getCoursePublishId()
        }
        console.log('publish created')
      },
      methods: {
        getCoursePublishId(){
          course.getCoursePublishId(this.courseId)
          .then(response =>{
            this.coursePublish = response.data.publishCourse
          })
        },
        previous() {
          console.log('previous')
          this.$router.push({ path: '/course/chapter/1' })
        },
        publish() {
          course.publishCourse(this.courseId)
          .then(response =>{
            this.$message({
              type: 'success',
              message: '课程发布成功!'
            });
            this.$router.push({ path: '/course/list' })
          })
          
        }
      }
    }
    </script>
    
<style scoped>
.ccInfo {
    background: #f5f5f5;
    padding: 20px;
    overflow: hidden;
    border: 1px dashed #DDD;
    margin-bottom: 40px;
    position: relative;
}
.ccInfo img {
    background: #d6d6d6;
    width: 500px;
    height: 278px;
    display: block;
    float: left;
    border: none;
}
.ccInfo .main {
    margin-left: 520px;
}
.ccInfo .main h2 {
    font-size: 28px;
    margin-bottom: 30px;
    line-height: 1;
    font-weight: normal;
}
.ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}
.ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}
.ccInfo .main h3 {
    left: 540px;
    bottom: 20px;
    line-height: 1;
    font-size: 28px;
    color: #d32f24;
    font-weight: normal;
    position: absolute;
}
</style>